20870794

素因数分解:

$2^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{5501}}^1$

素因数の和:5781

約数の個数: 16

約数和(自身を含む): 35917056

約数和(自身を除く): 15046262

約数列:

[1, 2, 7, 14, 271, 542, 1897, 3794, 5501, 11002, 38507, 77014, 1490771, 2981542, 10435397, 20870794]

約数ペア:

[(1, 20870794), (2, 10435397), (7, 2981542), (14, 1490771), (271, 77014), (542, 38507), (1897, 11002), (3794, 5501)]